Anschluss was the name of the union of Austria and Germany in March 1938. It happened after the collapse of the Habsburg. After the annexation, the US criticized the chaos in Germany and formulated a foreign policy in order to respond to Hitler’s aggressive foreign policy. This was a problem for the US and the allies because it showed that Hitler had no care for peace and got even more strongly with the annexation of Austria - it subsequently increased the size of Germany’s military -.
The answer would be D.
D. Wealth of Knowledge-so much information was brought back from the Muslim "world"; information pertaining to medical knowledge, new forms of mathematics and education, "Aristotle was brought back," and "everything was brought back"; so many new ideas were brought back to Europe from the Muslim "world".
Let's take a look at the name: colonies. If a land is a colony, it is a colony of something, that is, there is some other land that has control over it: in this case this was Great Britain: Great Britain had claims and control over the colonies.
Twin towers
world trade center
the white house
idk the other one